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Expired, full termArchive

Electric hotplate

US 5,241,158 A · Assignee: E.G.O. Elektro-Gerate Blanc u. Fischer · Inventors: Schreder; Felix

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Overview

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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed June 14, 1991 and granted August 31, 1993. A patent filed before June 8, 1995 lasts 17 years from grant or 20 from filing, whichever is longer, so its term ended June 14, 2011.
  • Any extension is capped at five years, so it can't still be in force.
  • We haven't checked its US family, and a later related patent could still be in force. We check US rights only.
FiledJune 14, 1991
GrantedAugust 31, 1993
Term endedJune 14, 2011
Application number07/715323
Classification (CPC)F24C15/102
Length9 pages

Timeline

Timeline From USPTO dates

1992199419961998200020022004200620082010Application filedJune 14, 1991Patent grantedAug 31, 1993Term endedJune 14, 2011

Sources & verification

Official USPTO records

Full published documentText and every drawing sheet as a PDF.USPTOFile historyStatus, office actions, notices, fee records and petitions.USPTO Patent CenterPatent Public Search recordSearchable full text and bibliographic data.USPTO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comJustia PatentsFull text, claims and classification.patents.justia.comFreePatentsOnlineFull text and PDF.freepatentsonline.comEspacenetForeign family and legal status.European Patent Office

Everything on this page comes from the USPTO record linked above.